DeepSeek V4 Pro vs GPT-5.6 Terra: Pricing and Specs
DeepSeek V4 Pro $1.32 / $3.96 vs GPT-5.6 Terra $2 / $12 per 1M tokens in / out.
| DeepSeek V4 Pro | GPT-5.6 Terra | |
|---|---|---|
| Maker | DeepSeek | OpenAI |
| Input, per 1M tokens | $1.32 | $2 |
| Output, per 1M tokens | $3.96 | $12 |
| Context window | 1M tokens deepseek.com | 1,050,000 tokens openai.com |
| Max output | 384K tokens deepseek.com | 128,000 tokens openai.com |
| Input types | Not published in the docs we read | Text, Image openai.com |
| Output types | Not published in the docs we read | Text openai.com |
| Price checked | Nov 9, 2026 deepseek.com | Nov 9, 2026 openai.com |
| Tracked changes | 0 | 0 |
Facts side by side from each maker's own pages. No score and no verdict.
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Questions
Which is cheaper, DeepSeek V4 Pro or GPT-5.6 Terra
By listed price, DeepSeek V4 Pro is lower: $1.32 vs $2 per 1M input tokens. Price is the only thing this answer compares.
What do 1M input and 1M output tokens cost on each
DeepSeek V4 Pro: $5.28. GPT-5.6 Terra: $14. Listed standard prices, before caching or batch discounts.
What context window does each have
DeepSeek V4 Pro: 1M tokens. GPT-5.6 Terra: 1,050,000 tokens. From each maker's docs.
Who makes DeepSeek V4 Pro and GPT-5.6 Terra
DeepSeek V4 Pro is made by DeepSeek. GPT-5.6 Terra is made by OpenAI.